4y-30=12y+42

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Solution for 4y-30=12y+42 equation: 



4y-30=12y+42

We move all terms to the left:

4y-30-(12y+42)=0

We get rid of parentheses

4y-12y-42-30=0

We add all the numbers together, and all the variables

-8y-72=0

We move all terms containing y to the left, all other terms to the right

-8y=72

y=72/-8

y=-9

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